Who Founded an Astronomical Observatory at Baghdad

question 18

Multiple Choice

Who founded an astronomical observatory at Baghdad?

• A)Caliph al-Mansur
• B)Caliph al-Mamun
• C)Al-Fazare
• D)Alhazen

Apply the principle of marginal social benefit being equal to the sum of individual marginal benefits in determining the efficient provision of public goods.

Understand how the free-rider problem affects the provision of public goods.

Analyze conditions under which public goods should be provided to enhance social welfare.

Calculate the efficient number of public goods based on marginal cost and marginal social benefit.

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Definitions:

Underwriting Fee

A fee charged by underwriters for assessing, guaranteeing, and distributing a new issue of securities to the public.

Common Stock

A type of ownership in a corporation that grants holders voting rights and a share in the company’s profits via dividends.

Rights Offering

Rights offering is a financial opportunity provided to existing shareholders to purchase additional shares directly from the company at a predetermined price, usually lower than the market price, before the shares are offered to the public.

Subscription Price

The price at which existing shareholders are allowed to purchase new shares of a company, often during a rights offering.